Home / 12,479,862.40-18,719,793.60-3,504,414.40

Finding the Fourth Proportional to 12,479,862.40, 18,719,793.60 and 3,504,414.40

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Solution

The fourth proportional to 12,479,862.40, 18,719,793.60 and 3,504,414.40 is: 5,256,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,862.40 : 18,719,793.60 = 3,504,414.40 : x
  2. Step 2: Convert to fraction form
    12,479,862.40/18,719,793.60 = 3,504,414.40/x
  3. Step 3: Cross multiply
    12,479,862.40x = 18,719,793.60 × 3,504,414.40
  4. Step 4: Simplify right side
    12,479,862.40x = 65,601,914,256,867.84
  5. Step 5: Solve for x
    x = 65,601,914,256,867.84/12,479,862.40
  6. Step 6: Final answer
    x = 5,256,621.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.